C3121113331311331313233313231331123132313232233132313231132211
  >>
   C312111333131133131323331323133112313231323223313231323113221
  <<
   C3121113331311331313233313231331123132313232233132313231132213
  >>
 
 
 C3121113331311331313233313231331123132313232233132313231132212
  >>